File indexing completed on 2024-04-21 05:43:42

 /***************************************************************************
  *   Copyright (C) 2005 by David Saxton                                    *
  *   david@bluehaze.org                                                    *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  ***************************************************************************/
 
 #ifndef PROBEPOSITIONER_H
 #define PROBEPOSITIONER_H
 
 #include <QMap>
 #include <QWidget>
 
 class ProbeData;
 typedef QMap<int, ProbeData *> ProbeDataMap;
 
 const float probeArrowWidth = 9;
 const float probeArrowHeight = 12;
 
 /**
 Widget for positioning the output of Probes in the OscilloscopeView
 @author David Saxton
 */
 class ProbePositioner : public QWidget
 {
     Q_OBJECT
 public:
     ProbePositioner(QWidget *parent = nullptr);
     ~ProbePositioner() override;
     /**
      * Returns the amount of space (height in pixels) that a probe output
      * takes up
      */
     int probeOutputHeight() const;
     /**
      * Returns the probe position (from the top) in pixels that the probe
      * with the given id should be displayed at, or -1 if probe with the
      * given id couldn't be found
      */
     int probePosition(ProbeData *probeData) const;
     /**
      * Sets the probe position relative to the top of this widget (and hence
      * relative to the top of the oscilloscope view) in pixels
      */
     void setProbePosition(ProbeData *probeData, int position);
     /**
      * Returns the probe at the given position (plus or minus an arrow),
      * or nullptr if none. Records the offset of the position from the mouse
      * in m_probePosOffset.
      */
     ProbeData *probeAtPosition(const QPoint &pos);
 
 public slots:
     void forceRepaint();
 
 protected slots:
     void slotProbeDataRegistered(int id, ProbeData *probe);
     void slotProbeDataUnregistered(int id);
 
 protected:
     void mousePressEvent(QMouseEvent *e) override;
     void mouseReleaseEvent(QMouseEvent *e) override;
     void mouseMoveEvent(QMouseEvent *e) override;
     void paintEvent(QPaintEvent *e) override;
     void resizeEvent(QResizeEvent *event) override;
 
     ProbeDataMap m_probeDataMap;
     ProbeData *p_draggedProbe;
     int m_probePosOffset;
 
     bool b_needRedraw;
     QPixmap *m_pixmap;
 };
 
 #endif